| 7306.61.00 | 29 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of square or rectangular cross-section - Of alloy steel: - Other | KGM | | |
| 7306.69.00 | | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of other non-circular cross-section | KGM | Free | CCCT, LDCT |
| 7306.69.00 | 11 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of other non-circular cross-section - Of iron or non-alloy steel: - Mechanical tubes and pipes | KGM | | |
| 7306.69.00 | 12 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of other non-circular cross-section - Of iron or non-alloy steel: - Hollow structural sections | KGM | | |
| 7306.69.00 | 19 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of other non-circular cross-section - Of iron or non-alloy steel: - Other | KGM | | |
| 7306.69.00 | 21 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of other non-circular cross-section - Of alloy steel: - Mechanical tubes and pipes | KGM | | |
| 7306.69.00 | 22 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of other non-circular cross-section - Of alloy steel: - Hollow structural sections | KGM | | |
| 7306.69.00 | 29 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of other non-circular cross-section - Of alloy steel: - Other | KGM | | |
| 7307.21.00 | 10 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other, of stainless steel: - Flanges - Not further worked than forged or bent to shape | KGM | | |
| 7307.29.10 | 00 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other, of stainless steel: - Other - To be employed in pneumatically breaking down the working face of a mine in mining, quarrying or developing mineral deposits | KGM | Free | CCCT, LDCT |
| 7307.29.20 | 00 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other, of stainless steel: - Other - For installation between the wellhead assembly or surface oil pumping unit and the field marketing valve at oil or natural gas wells | KGM | 4.5% | CCCT, LDCT |
| 7307.29.91 | 00 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other, of stainless steel: - Other - Other: - Not further worked than forged or bent to shape | KGM | Free | AUT, NZT, |
| 7307.91.00 | 91 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Flanges - Other: - Of iron or non-alloy steel | KGM | | |
| 7307.91.00 | 92 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Flanges - Other: - Of alloy steel, other than stainless steel | KGM | | |
| 7307.92.00 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Threaded elbows, bends and sleeves | KGM | Free | CCCT, LDCT |
| 7307.91.00 | 11 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Flanges - Not further worked than forged or bent to shape: - Closed die forgings or seam legs profiled rings, of carbon steel, to specification ANSI B16.5, A.P.I. B16.47B, MSS B16.47A, AWWA C207B or AWWA C207E, for use in the manufacture of finished flanges | KGM | | |
| 7307.91.00 | 19 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Flanges - Not further worked than forged or bent to shape: - Other | KGM | | |
| 7307.92.00 | 20 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Threaded elbows, bends and sleeves - Of alloy steel, other than stainless steel | KGM | | |
| 7307.93.00 | 20 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Butt welding fittings - Of alloy steel, other than stainless steel | KGM | | |
| 7307.99.00 | 10 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of alloy steel, other than stainless steel, further worked than forged or bent to shape, for installation between the wellhead assembly or surface oil pumping unit and the field marketing valve at oil or natural gas wells | KGM | | |
| 74.12 | | Copper tube or pipe fittings (for example, couplings, elbows, sleeves). | | | |
| 7412.10.00 | | Copper tube or pipe fittings (for example, couplings, elbows, sleeves). - Of refined copper | KGM | Free | CCCT, LDCT |
| 74.11 | | Copper tubes and pipes. | | | |
| 7411.10.00 | | Copper tubes and pipes. - Of refined copper | KGM | Free | CCCT, LDCT |
| 7411.10.00 | 10 | Copper tubes and pipes. - Of refined copper - For plumbing, unworked: - For plumbing, unworked | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
